Manuel Zevallos, MD
NPI 1174611750ActiveIndividual· Internal Medicine, Hematology & Oncology· Lynwood, CA
Internal Medicine, Hematology & Oncology (MD) with The Oncology Institute Ca, A Professional Corporation, practicing in Lynwood, California. Their prescriptions cost Medicare Part D more than their services did: $4,012,246 for 1,012 claims, against $381,000 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 41 companies reporting payments in 2025, $4,295 in all, mostly food and beverage. Lists Saint Francis Medical Center as a hospital affiliation.
Overview
| NPI | 1174611750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 10, 2006 |
| Last updated in NPPES | Apr 22, 2020 |
| Certified by provider | Apr 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A35871 | CA |
| Specialist | 174400000X | A35871 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 12,254 across 66 procedure codes |
| Paid by Medicare | $381,000 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,012 · 1,558 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $4,012,246 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- The Oncology Institute Ca, A Professional CorporationSan Gabriel, CA · 113 clinicians
Hospital affiliation
- Saint Francis Medical CenterLynwood, CA
Industry payments (Open Payments)
- 2025$4,295 · 181 payments from 41 companies
- 2024$4,429 · 183 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $416.37 | 18 |
| Astellas Pharma US Inc | $404.50 | 10 |
| Incyte Corporation | $381.99 | 14 |
| Celgene Corporation | $270.84 | 20 |
| E.R. Squibb & Sons, L.L.C. | $220.88 | 15 |
What the 2025 payments were for
- Food and Beverage$3,816 · 175 payments
- Education$478.91 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Lynwood
- 1720242704
- 1912062001
All Internal Medicine, Hematology & Oncology providers in California →